Question 1

Reproductive is maximum at birth because the organism has not begun to reproduce.

Accepted Answer

A) True 
 B)False

Question 2

Deleterious mutations that act __________ the peak in Vx are not affected by selection.

Accepted Answer

Question 3

According to bet-hedging theory organisms reduce the variation in fitness relative to the mean fitness.

Accepted Answer

A) True 
 B)False

Question 4

A life history strategy refers to the fact that

Accepted Answer

A)  the organism designs its own reproductive pattern. 
B)  natural selection operates on just one aspect of reproduction. 
C)  energy does not limit reproduction. 
D)  the life history consists of a suite of adaptations. 
E)  none of the above 
A)  the organism designs its own reproductive pattern. 
B)  natural selection operates on just one aspect of reproduction. 
C)  energy does not limit reproduction. 
D)  the life history consists of a suite of adaptations. 
E)  none of the above

Question 5

Genes that act after reproduction is completed are not affected by selection.

Accepted Answer

A) True 
 B)False

Question 6

Neoteny tends to occur in high energy environments.

Accepted Answer

A) True 
 B)False

Question 7

Empirical studies show that

Accepted Answer

A)  reproduction has a mortality cost. 
B)  mortality has a reproductive cost. 
C)  artificially large clutches produce more young. 
D)  reducing the clutch size increases mortality. 
E)  none of the above 
A)  reproduction has a mortality cost. 
B)  mortality has a reproductive cost. 
C)  artificially large clutches produce more young. 
D)  reducing the clutch size increases mortality. 
E)  none of the above

Question 8

Cole's paradox states that

Accepted Answer

A)  the difference in between semelparity and iteroparity is relatively small. 
B)  iteroparity is really the same as semelparity. 
C)  for iteroparous species the mortality costs are small. 
D)  for semelparous species the mortality costs are small. 
E)  none of the above 
A)  the difference in between semelparity and iteroparity is relatively small. 
B)  iteroparity is really the same as semelparity. 
C)  for iteroparous species the mortality costs are small. 
D)  for semelparous species the mortality costs are small. 
E)  none of the above

Question 9

The fundamental basis for the evolution of the life history strategy is that __________.

Accepted Answer

the organism has fin

Question 10

Resting stages are an adaptation to unpredictable environments.

Accepted Answer

A) True 
 B)False

Question 11

Natural selection has its greatest effect where Vx is __________.

Accepted Answer

Question 12

r-selected species occur in competitive environments.

Accepted Answer

A) True 
 B)False

Question 13

Jack in the pulpit exhibits sequential hermaphroditism as an adaptation to

Accepted Answer

A)  avoid predation on female plants. 
B)  avoid predation on male plants. 
C)  the variation in energy availability. 
D)  decrease the energy cost of switching sex. 
E)  none of the above 
A)  avoid predation on female plants. 
B)  avoid predation on male plants. 
C)  the variation in energy availability. 
D)  decrease the energy cost of switching sex. 
E)  none of the above

Question 14

Reproductive value measures the

Accepted Answer

A)  value of R0 for the entire population. 
B)  lifetime reproductive output of an individual. 
C)  expected reproductive output of an individual of a specific age. 
D)  expected reproductive output at one moment in time. 
E)  none of the above 
A)  value of R0 for the entire population. 
B)  lifetime reproductive output of an individual. 
C)  expected reproductive output of an individual of a specific age. 
D)  expected reproductive output at one moment in time. 
E)  none of the above

Reproductive is maximum at birth because the organism has not begun to reproduce.

Deleterious mutations that act __________ the peak in V_x are not affected by selection.

According to bet-hedging theory organisms reduce the variation in fitness relative to the mean fitness.

A life history strategy refers to the fact that

Genes that act after reproduction is completed are not affected by selection.

Neoteny tends to occur in high energy environments.

Empirical studies show that

Cole's paradox states that

The fundamental basis for the evolution of the life history strategy is that __________.

Resting stages are an adaptation to unpredictable environments.

Natural selection has its greatest effect where V_x is __________.

r-selected species occur in competitive environments.

Jack in the pulpit exhibits sequential hermaphroditism as an adaptation to

Reproductive value measures the

Introduction to Ecology

Adaptation and Evolution

Adaptations to the Physical Environment

Terrestrial Communities

Fresh-water and Marine Communities

Behavioral Ecology

The Ecology of Intraspecific Variation

Demography

Population Regulation

Competition

Coevolution I Exploitative Interactions

Mutualism

The Structure of Communities

Ecological Succession

Species Diversity

Energy Flow and Trophic Structure

Biogeochemical Cycles

Conservation Biology

Landscape Ecology

Human Global Ecology

Filters

Exam 10: Life History Strategies

Reproductive is maximum at birth because the organism has not begun to reproduce.

Deleterious mutations that act __________ the peak in Vx are not affected by selection.

According to bet-hedging theory organisms reduce the variation in fitness relative to the mean fitness.

A life history strategy refers to the fact that

Genes that act after reproduction is completed are not affected by selection.

Neoteny tends to occur in high energy environments.

Empirical studies show that

Cole's paradox states that

The fundamental basis for the evolution of the life history strategy is that __________.

Resting stages are an adaptation to unpredictable environments.

Natural selection has its greatest effect where Vx is __________.

r-selected species occur in competitive environments.

Jack in the pulpit exhibits sequential hermaphroditism as an adaptation to

Reproductive value measures the

Introduction to Ecology

Adaptation and Evolution

Adaptations to the Physical Environment

Terrestrial Communities

Fresh-water and Marine Communities

Behavioral Ecology

The Ecology of Intraspecific Variation

Demography

Population Regulation

Competition

Coevolution I Exploitative Interactions

Mutualism

The Structure of Communities

Ecological Succession

Species Diversity

Energy Flow and Trophic Structure

Biogeochemical Cycles

Conservation Biology

Landscape Ecology

Human Global Ecology

Filters

Deleterious mutations that act __________ the peak in V_x are not affected by selection.

Natural selection has its greatest effect where V_x is __________.